| Primary satellite | Secondary satellite |
| Name | STRAND 1 | SHIYUAN |
| Spacetrack catalog number | 39090 | 37931 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jun 01 12:43 | 2023 Jun 02 05:28 |
| Time of closest approach (UTC) | 2023 Apr 02 18:30:39.062 |
| Minimum distance | 4.636 km |
| Height difference | 2.256 km |
| Relative speed | 14.636 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 40.6°S, 7.5°W |
| Height | 788 km |
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